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Plane triangular element shown as Fig.1, thickness t=1cm, E=2.0× 105MPa， μ =0.3. The displacement mode is linear polynomial, please try to calculate: 1. shape function matrix [N]； 2. strain matrix [B]； 3. stress matrix [S] 4. element stiffness matrix [K]e， and demonstrate the singularity of [K]e.

Plane triangular element shown as Fig.1, thickness t=1cm, E=2.0× 105MPa， μ =0.3. The displacement mode is linear polynomial, please try to calculate: 1. shape function matrix [N]； 2. strain matrix [B]； 3. stress matrix [S] 4. element stiffness matrix [K]e， and demonstrate the singularity of [K]e.

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Plane triangular element shown as Fig.1, thickness t=1cm, E=2.0× 105MPa， μ =0.3. The displacement mode is linear polynomial, please try to calculate: 1. shape function matrix [N]； 2. strain matrix [B]； 3. stress matrix [S] 4. element stiffness matrix [K]e， and demonstrate the singularity of [K]e.
3(2,6) y/c m 1(2,2) 2(10,2) x/cm
Transcribed Image Text:3(2,6) y/c m 1(2,2) 2(10,2) x/cm
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